FR1292672A - Photographic layers for the silver discoloration process - Google Patents

Photographic layers for the silver discoloration process

Info

Publication number
FR1292672A
FR1292672A FR865522A FR865522A FR1292672A FR 1292672 A FR1292672 A FR 1292672A FR 865522 A FR865522 A FR 865522A FR 865522 A FR865522 A FR 865522A FR 1292672 A FR1292672 A FR 1292672A
Authority
FR
France
Prior art keywords
photographic layers
silver discoloration
discoloration process
silver
photographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR865522A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CH838260A external-priority patent/CH398307A/en
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Priority to FR865522A priority Critical patent/FR1292672A/en
Application granted granted Critical
Publication of FR1292672A publication Critical patent/FR1292672A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/26—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl urea
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B39/00—Other azo dyes prepared by diazotising and coupling
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/124—Preparation of azo dyes from other azo compounds by acylation of amino groups with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/155—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with di- or poly-isocyanates
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
    • G03C7/29—Azo dyes therefor
FR865522A 1960-07-22 1961-06-20 Photographic layers for the silver discoloration process Expired FR1292672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR865522A FR1292672A (en) 1960-07-22 1961-06-20 Photographic layers for the silver discoloration process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH838260A CH398307A (en) 1960-07-22 1960-07-22 Photographic layer for the silver dye bleaching process
FR865522A FR1292672A (en) 1960-07-22 1961-06-20 Photographic layers for the silver discoloration process

Publications (1)

Publication Number Publication Date
FR1292672A true FR1292672A (en) 1962-05-04

Family

ID=25703230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865522A Expired FR1292672A (en) 1960-07-22 1961-06-20 Photographic layers for the silver discoloration process

Country Status (1)

Country Link
FR (1) FR1292672A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159291A1 (en) * 1984-03-29 1985-10-23 Ciba-Geigy Ag Ink composition for the ink-jet printing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159291A1 (en) * 1984-03-29 1985-10-23 Ciba-Geigy Ag Ink composition for the ink-jet printing process

Similar Documents

Publication Publication Date Title
FR1284462A (en) Photographic layers for the silver discoloration process
FR1312796A (en) Process for the preparation of photographic silver halide emulsions
FR1311546A (en) Photographic layers for the silver discoloration process
FR1519495A (en) Beater-separator mechanism for threshing machine
FR1225554A (en) Process for the preparation of photographic silver halide emulsions
FR84794E (en) Photographic layers for the bleaching process of colored silver images
FR1311068A (en) Process for the development of photographic silver halide emulsion layers
FR1341169A (en) Process for obtaining polychrome images using the silver discoloration process
FR1292672A (en) Photographic layers for the silver discoloration process
FR1305111A (en) Photographic layers for the silver discoloration process
FR1449357A (en) Photographic articles for the silver discoloration process
FR1339016A (en) Photographic layers for the silver discoloration process
FR1317394A (en) Photographic layers for the silver discoloration process
FR1311685A (en) Photographic layers for the silver discoloration process
FR1454112A (en) Photographic preparations for the silver discoloration process
FR1291283A (en) Photographic layers for the money laundering process
BE599080A (en) A method of maintaining the clarity of photographic silver halide emulsions at relatively high development temperatures.
FR1419321A (en) Photographic preparations for the silver discoloration process
CH429441A (en) Process for the development of silver halide emulsion layers
FR1342619A (en) Photographic articles for the silver discoloration process
FR1346870A (en) Photographic articles for the silver discoloration process
FR1375598A (en) Photographic articles for the silver discoloration process
FR1464177A (en) Photographic articles for the silver discoloration process
FR1241597A (en) Colorants for use in the photographic silver bleaching process
FR1422699A (en) Photographic articles for the silver discoloration process